<!--
  This file is a part of the open-eBackup project.
  This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
  If a copy of the MPL was not distributed with this file, You can obtain one at
  http://mozilla.org/MPL/2.0/.
  
  Copyright (c) [2024] Huawei Technologies Co.,Ltd.
  
  THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
  EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
  MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
  -->

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<!--
  This file is a part of the open-eBackup project.
  This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
  If a copy of the MPL was not distributed with this file, You can obtain one at
  http://mozilla.org/MPL/2.0/.
  
  Copyright (c) [2024] Huawei Technologies Co.,Ltd.
  
  THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
  EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
  MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
  -->

<!--
  This file is a part of the open-eBackup project.
  This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
  If a copy of the MPL was not distributed with this file, You can obtain one at
  http://mozilla.org/MPL/2.0/.
  
  Copyright (c) [2024] Huawei Technologies Co.,Ltd.
  
  THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
  EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
  MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
  -->

<!--
  This file is a part of the open-eBackup project.
  This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
  If a copy of the MPL was not distributed with this file, You can obtain one at
  http://mozilla.org/MPL/2.0/.
  
  Copyright (c) [2024] Huawei Technologies Co.,Ltd.
  
  THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
  EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
  MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
  -->

<html lang="zh-cn" xml:lang="zh-cn">
 <head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="DC.Type" content="topic">
  <meta name="DC.Title" content="即时挂载CNware虚拟机">
  <meta name="DC.Format" content="XHTML">
  <meta name="DC.Identifier" content="ZH-CN_TOPIC_0000001851802689">
  <meta name="DC.Language" content="zh-cn">
  <link rel="stylesheet" type="text/css" href="public_sys-resources/commonltr.css">
  <title>即时挂载CNware虚拟机</title>
 </head>
 <body style="clear:both; padding-left:10px; padding-top:5px; padding-right:5px; padding-bottom:5px">
  <a name="ZH-CN_TOPIC_0000001851802689"></a><a name="ZH-CN_TOPIC_0000001851802689"></a>
  <h1 class="topictitle1">即时挂载CNware虚拟机</h1>
  <div>
   <p>当需要将虚拟机的副本挂载至原位置或新位置以快速启动一个新虚拟机时，可参考本节配置即时挂载。</p>
   <div class="section">
    <h4 class="sectiontitle">背景信息</h4>
    <p>支持使用备份副本、复制副本进行即时挂载，支持挂载至原位置（复制副本不支持挂载至原位置）或新位置。</p>
   </div>
   <div class="section">
    <h4 class="sectiontitle">操作步骤</h4>
    <ol>
     <li><span>选择<span class="uicontrol" id="ZH-CN_TOPIC_0000001851802689__zh-cn_topic_0000001839142377_uicontrol0884342767">“<span id="ZH-CN_TOPIC_0000001851802689__zh-cn_topic_0000001839142377_text6884144212611">数据利用</span> &gt; <span id="ZH-CN_TOPIC_0000001851802689__zh-cn_topic_0000001839142377_text8885114214618">即时挂载</span> &gt; CNware”</span>。</span></li>
     <li><span>单击<span class="uicontrol">“<span>创建</span>”</span>。</span></li>
     <li><span>在<span class="uicontrol">“<span>选择资源</span>”</span>页签，选择要挂载的副本对应的源虚拟机，单击<span class="uicontrol">“<span>下一步</span>”</span>。</span></li>
     <li><span>在<span class="uicontrol">“<span>选择副本</span>”</span>页签执行如下操作：</span><p></p>
      <ol type="a">
       <li>选择要挂载的副本。
        <ul>
         <li>创建即时挂载的副本必须是<span class="uicontrol">“<span>正常</span>”</span>状态。</li>
         <li>备份部分磁盘生成的副本不支持即时挂载。</li>
        </ul></li>
       <li>选择已创建的挂载更新策略。<p>如果未在此处选择挂载更新策略，后续可<a href="zh-cn_topic_0000001805083830.html">通过修改操作配置挂载更新策略</a>。</p></li>
       <li>单击<span class="uicontrol">“<span>下一步</span>”</span>。</li>
      </ol> <p></p></li>
     <li><span>在<span class="uicontrol">“<span>挂载选项</span>”</span>页签，配置挂载参数，单击<span class="uicontrol">“<span>下一步</span>”</span>。</span><p></p>
      <ol type="a">
       <li>配置即时挂载基本参数和高级参数。
        <div class="p">
         相关参数说明如<a href="#ZH-CN_TOPIC_0000001851802689__table89615043315">表1</a>所示。
         <div class="note">
          <img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span>
          <div class="notebody">
           <ul>
            <li>带宽与IOPS可以任意配置一个或者两个都配置，如果是带宽型业务，建议只配置带宽，如果是IOPS型业务，建议只配置IOPS，如果不确定或者有时是带宽型、有时是IOPS型，则建议两个都配置，此时流量控制以小的一个为准。</li>
            <li>标准IOPS(8KB)与真实IO模型的换算关系可以通过界面上的换算表查看。</li>
            <li>通过限制挂载副本的最大流量，以保证备份、恢复任务的性能；设置挂载副本的下限保障，以保证挂载副本的最低性能。</li>
           </ul>
          </div>
         </div>
         <div class="tablenoborder">
          <a name="ZH-CN_TOPIC_0000001851802689__table89615043315"></a><a name="table89615043315"></a>
          <table cellpadding="4" cellspacing="0" summary="" id="ZH-CN_TOPIC_0000001851802689__table89615043315" frame="border" border="1" rules="all">
           <caption>
            <b>表1 </b>即时挂载参数说明
           </caption>
           <colgroup>
            <col style="width:16.439999999999998%">
            <col style="width:20.78%">
            <col style="width:62.78%">
           </colgroup>
           <thead align="left">
            <tr>
             <th align="left" class="cellrowborder" colspan="2" valign="top" id="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1"><p>参数</p></th>
             <th align="left" class="cellrowborder" valign="top" id="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.2"><p>说明</p></th>
            </tr>
           </thead>
           <tbody>
            <tr>
             <td class="cellrowborder" valign="top" width="16.439999999999998%" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>挂载至</span>：<span>原位置</span></p></td>
             <td class="cellrowborder" valign="top" width="20.78%" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>新虚拟机名称</span></p></td>
             <td class="cellrowborder" valign="top" width="62.78%" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.2 "><p>自定义新虚拟机的名称。</p></td>
            </tr>
            <tr>
             <td class="cellrowborder" rowspan="2" valign="top" width="16.439999999999998%" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>挂载至</span>：<span>新位置</span></p></td>
             <td class="cellrowborder" valign="top" width="20.78%" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>新虚拟机名称</span></p></td>
             <td class="cellrowborder" valign="top" width="62.78%" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.2 "><p>自定义新虚拟机的名称。</p></td>
            </tr>
            <tr>
             <td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>计算位置</span></p></td>
             <td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p>即时挂载后产生的虚拟机所使用的计算资源。</p> <p>选择一个主机作为目标。</p></td>
            </tr>
            <tr>
             <td class="cellrowborder" colspan="2" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>目标CPU</span></p></td>
             <td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.2 ">
              <div class="p">
               新虚拟机的CPU规格。
               <ul>
                <li><span>原始配置</span>：与挂载副本对应的源虚拟机的CPU规格相同。</li>
                <li><span>指定配置</span>：如果您对新虚拟机有性能要求，可以指定<span class="uicontrol">“<span>CPU数量</span>”</span>。<p>根据以下原则设置合适的<span class="uicontrol">“<span>CPU数量</span>”</span>：</p> <p><span style="color:#222222;">CPU数量</span>的取值范围为1~128。</p></li>
               </ul>
              </div></td>
            </tr>
            <tr>
             <td class="cellrowborder" colspan="2" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>目标内存</span></p></td>
             <td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.2 "><p>新虚拟机的内存规格。</p>
              <ul>
               <li><span>原始配置</span>：与挂载副本对应的源虚拟机的内存大小相同。</li>
               <li><span>指定配置</span>：如果您对新虚拟机有性能要求，可以指定内存大小。<p>内存的取值范围为512MB~6128GB之间，且必须能够被4整除。</p></li>
              </ul></td>
            </tr>
            <tr>
             <td class="cellrowborder" colspan="2" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>代理主机</span></p></td>
             <td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.2 "><p>选择执行即时挂载任务的代理主机，不指定则使用系统自动分配的代理主机。</p></td>
            </tr>
            <tr>
             <td class="cellrowborder" colspan="2" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>挂载后自动开机</span></p></td>
             <td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.2 "><p>副本挂载后是否自动开机。</p></td>
            </tr>
            <tr>
             <td class="cellrowborder" colspan="2" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>网络位置</span></p></td>
             <td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.2 "><p>选择虚拟机网卡要恢复到的端口组名称。</p></td>
            </tr>
            <tr>
             <td class="cellrowborder" colspan="2" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>启用网络适配器</span></p></td>
             <td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.2 "><p>该选项用于设置恢复后的虚拟机网卡的连接状态。默认不启用，所有虚拟机网卡都处于未启用状态，虚拟机恢复后，需要登录CNware管理界面设置虚拟机网卡连接；启用后，可能导致新虚拟机网络与原虚拟机网络冲突，请恢复虚拟机后，检查新虚拟机网络。</p></td>
            </tr>
            <tr>
             <td class="cellrowborder" rowspan="3" valign="top" width="16.439999999999998%" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>带宽（MB/s）</span></p> <p></p> <p></p></td>
             <td class="cellrowborder" valign="top" width="20.78%" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>Min</span></p></td>
             <td class="cellrowborder" valign="top" width="62.78%" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.2 "><p>即时挂载副本的最小带宽。</p></td>
            </tr>
            <tr>
             <td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>Max</span></p></td>
             <td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p>即时挂载副本的最大带宽。</p></td>
            </tr>
            <tr>
             <td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>Burst</span></p></td>
             <td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p>即时挂载副本的最大突发带宽，<span>Burst</span>的取值必须大于Max。</p> <p>当设置<span>Max</span>的值后，才支持设置<span>Burst</span>。</p></td>
            </tr>
            <tr>
             <td class="cellrowborder" rowspan="3" valign="top" width="16.439999999999998%" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>标准IOPS（8KB）</span></p> <p></p> <p></p></td>
             <td class="cellrowborder" valign="top" width="20.78%" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>Min</span></p></td>
             <td class="cellrowborder" valign="top" width="62.78%" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.2 "><p>即时挂载副本平均每秒标准I/O的最小请求个数。</p></td>
            </tr>
            <tr>
             <td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>Max</span></p></td>
             <td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p>即时挂载副本平均每秒标准I/O的最大请求个数。</p></td>
            </tr>
            <tr>
             <td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>Burst</span></p></td>
             <td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p>即时挂载副本的最大突发IOPS，<span>Burst</span>的取值必须大于Max。</p> <p>当设置<span>Max</span>的值后，才支持设置<span>Burst</span>。</p></td>
            </tr>
            <tr>
             <td class="cellrowborder" valign="top" width="16.439999999999998%" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>标准化时延（8KB）</span></p></td>
             <td class="cellrowborder" valign="top" width="20.78%" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.1 "><p><span>Max</span></p></td>
             <td class="cellrowborder" valign="top" width="62.78%" headers="mcps1.3.3.2.5.2.1.1.1.3.2.4.1.2 "><p>在本地阵列的最大时延。</p></td>
            </tr>
           </tbody>
          </table>
         </div>
        </div></li>
       <li>单击<span class="uicontrol">“<span>下一步</span>”</span>。</li>
      </ol> <p></p></li>
     <li><span>预览挂载参数，确认无误后，单击<span class="uicontrol">“<span>完成</span>”</span>。</span><p></p>
      <div class="note">
       <img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span>
       <div class="notebody">
        <p>副本生成后立即用该副本执行即时挂载，可能会由于副本仍处于初始化状态而导致挂载任务失败，请3分钟后重试。</p>
       </div>
      </div> <p></p></li>
    </ol>
   </div>
  </div>
 </body>
</html>